Takao (武井孝雄) Takei

Born : 1962 Cat. M60 Ultrarunner since 1999

DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.

DUV-index+ ?Largest integer N such that the race distances provide at least N complete segments of N km in total. A single long race may therefore contribute several segments. See the DUV-Index tab for the detailed calculation. calculation details

Countries visited ?

Japan

48,0%

Rank quotient ?This runner's calculation uses 76 eligible race(s): Σ(rank − 1) = 22 133; Σ finishers = 46 076. 22 133 / 46 076 × 100 = 48.04%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed76

Km — ultra races7 671 km

> 100 km12

> 160 km8

> 200 km7

Longest race204,0 km

9th Little Edo Oedo 200k — 23/2/2019

Km per year (ultra races)

2022

213

2023

2024

532

2025

2026

Race types (share of distance)

Road85,7%

Trail14,3%

Records

100 km9h48'12 6 h63,00 km

HISTORY

76 race(s)

Date		Race	Perf.	Rk
2026
11.04	60km	21st Toda Saiko 60 km	7:54:47 h	166
2025
19.10	70km	32. Ultramarathon Okumusashi	9:27:04 h	333
13.09	128km	8th Utsukushima Fukushima Journey Run 128K	21:19:00 h	23
22.08	101km	12th World Cultural Heritage "Fuji" Foot Race	16:24:11 h	161
18.05	100km	31th Yatsugatake Nobeyama 100 km	13:58:56 h	1199
12.04	71km	20th Toda Saiko 70 km	8:14:23 h	148
26.01	62km	3. Minuma Challenge 60	7:05:25 h	24
2023
19.11	64km	2. Minuma Challenge 60	8:42:49 h	42
04.06	78km	30. Ultramarathon Okumusashi	10:02:23 h	433
08.04	71km	18th Toda Saiko 70 km	8:25:18 h	154
2022
20.11	63km	1. Minuma Challenge 60	7:58:09 h	41
2021
14.11	63km	0. Minuma Challenge 60	8:11:37 h	55
10.04	70km	16th Toda Saiko 70 km	7:38:39 h	240
2019
19.10	51.4km	10th Inagawa 100km Ultra-Marathon	5:31:21 h	81
07.10	118km	1st Fuji 5 Lakes 118 km Autumn Challenge	14:54:13 h	188
17.08	101km	7th World Cultural Heritage "Fuji" Foot Race	14:36:20 h	63
02.06	78km	26. Ultramarathon Okumusashi	9:22:52 h	629
13.04	70km	14th Toda Saiko 70 km	7:34:52 h	219
23.02	204km	9th Little Edo Oedo 200k	34:59:19 h	199
2018
20.10	100km	9th Inagawa 100km Ultra-Marathon	13:42:56 h	68
30.09	100km	21th Jonaizaka 100 km Ultra Marathon	13:28:00 h	38
17.06	100km	2nd Nikko 100km Ultramarathon	11:54:52 h	307
03.06	78km	25. Ultramarathon Okumusashi	9:55:52 h	676
20.05	100km	24th Yatsugatake Nobeyama 100 km	13:04:06 h	779
14.04	70km	13th Toda Saiko 70 km	7:06:12 h	143
03.03	204km	8th Little Edo Oedo 200k	34:54:33 h	181
2017
21.10	100km	8th Inagawa 100km Ultra-Marathon	14:12:02 h	95
30.09	6h	6th Coedo Kawagoe Running Fest 6-hours run	48.825 km	12
24.09	100km	20th Jonaizaka 100 km Ultra Marathon	10:52:00 h	9
20.08	97km	5th World Cultural Heritage "Fuji" Foot Race	13:19:00 h	50
04.06	78km	24. Ultramarathon Okumusashi	8:49:04 h	418
21.05	100km	23rd Yatsugatake Nobeyama 100 km	13:09:16 h	574
08.04	70km	12th Toda Saiko 70 km	6:56:49 h	157
04.03	204km	7th Little Edo Oedo 200k	33:11:42 h	124
2016
09.10	100km	11th Echigo Kubikino 100km Ultramarathon	11:12:32 h	324
18.09	100km	19th Jonaizaka 100 km Ultra Marathon	12:54:19 h	29
21.08	97km	4th World Cultural Heritage "Fuji" Foot Race	13:24:00 h	36
17.07	200km	1st Michinoku Tsugaru Journey Run 200K	36:05:45 h	70
12.06	100km	12th Iwate Ginga 100km Marathon Challenge	11:35:21 h	276
22.05	100km	22nd Yatsugatake Nobeyama 100 km	12:01:52 h	375
05.03	204km	6th Little Edo Oedo 200k	29:21:40 h	42
2015
06.12	6h	4th Coedo Kawagoe 6 Hours Run	63.000 km	5
19.09	100km	18th Jonaizaka 100 km Ultra Marathon	11:20:09 h	8
23.08	97km	3rd World Cultural Heritage "Fuji" Foot Race	12:45:00 h	23
22.06	77km	22. Ultramarathon Okumusashi	7:56:40 h	237
17.05	100km	21st Yatsugatake Nobeyama 100 km	11:22:15 h	244
28.02	203km	5th Little Edo Oedo 200k	31:18:49 h	66
2014
12.10	100km	10th Echigo Kubikino 100km Ultramarathon	12:14:31 h	598
20.09	100km	17th Jonaizaka 100 km Ultra Marathon	13:42:00 h	62
27.07	77km	21. Ultramarathon Okumusashi	11:06:44 h	799
18.05	100km	20th Yatsugatake Nobeyama 100 km	13:54:42 h	1187
2013
29.09	100km	16th Jonaizaka 100 km Ultra Marathon	13:35:00 h	36
28.07	77km	20. Ultramarathon Okumusashi	10:57:12 h	1080
02.03	203km	3rd Little Edo Oedo 200k	35:38:17 h	147
2012
06.10	100km	9th Echigo Kubikino 100km Ultramarathon	11:07:20 h	238
30.09	100km	15th Jonaizaka 100 km Ultra Marathon	12:42:00 h	12
05.08	77km	19. Ultramarathon Okumusashi	10:27:39 h	695
20.05	100km	18th Yatsugatake Nobeyama 100 km	13:55:19 h	1002
03.03	91km	2nd Little Edo 91km	12:09:45 h	13
2011
07.08	77km	18. Ultramarathon Okumusashi	10:25:53 h	761
05.03	203km	1st Little Edo Oedo 200k	36:00:00 h	49
2010
09.10	100km	8th Echigo Kubikino 100km Ultramarathon	11:24:33 h	295
01.08	77km	17. Ultramarathon Okumusashi	9:09:41 h	298
2009
02.08	75km	16. Ultramarathon Okumusashi	9:05:03 h	429
17.05	100km	15th Yatsugatake Nobeyama 100 km	13:34:49 h	567
2008
19.10	100km	14th River Shimanto 100km	11:53:34 h	347
11.10	100km	7th Echigo Kubikino 100km Ultramarathon	11:50:28 h	292
18.05	100km	14th Yatsugatake Nobeyama 100 km	13:27:19 h	497
2007
14.10	100km	13th River Shimanto 100km	12:13:00 h	507
20.05	100km	13th Yatsugatake Nobeyama 100 km	13:57:38 h	671
2006
21.05	100km	12th Yatsugatake Nobeyama 100 km	12:48:59 h	285
2004
16.05	100km	10th Yatsugatake Nobeyama 100 km	13:30:10 h	408
2003
19.10	100km	9th River Shimanto 100km	9:48:12 h	105
11.05	100km	9th Yatsugatake Nobeyama 100 km	12:39:00 h	249
2001
21.10	100km	8th River Shimanto 100km	11:14:55 h	229
1999
17.10	100km	6th River Shimanto 100km	12:45:12 h	587

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	23/2/2019	9th Little Edo Oedo 200k	204,00	×2
✓ 2	3/3/2018	8th Little Edo Oedo 200k	204,00	×2
✓ 3	4/3/2017	7th Little Edo Oedo 200k	204,00	×2
✓ 4	5/3/2016	6th Little Edo Oedo 200k	204,00	×2
✓ 5	28/2/2015	5th Little Edo Oedo 200k	203,00	×2
✓ 6	2/3/2013	3rd Little Edo Oedo 200k	203,00	×2
✓ 7	5/3/2011	1st Little Edo Oedo 200k	203,00	×2
✓ 8	17/7/2016	1st Michinoku Tsugaru Journey Run 200K	200,00	×2
✓ 9	13/9/2025	8th Utsukushima Fukushima Journey Run 128K	128,00	×1
✓ 10	7/10/2019	1st Fuji 5 Lakes 118 km Autumn Challenge	118,00	×1
✓ 11	22/8/2025	12th World Cultural Heritage "Fuji" Foot Race	101,00	×1
✓ 12	17/8/2019	7th World Cultural Heritage "Fuji" Foot Race	101,00	×1
✓ 13	18/5/2025	31th Yatsugatake Nobeyama 100 km	100,00	×1
✓ 14	20/10/2018	9th Inagawa 100km Ultra-Marathon	100,00	×1
✓ 15	30/9/2018	21th Jonaizaka 100 km Ultra Marathon	100,00	×1
✓ 16	17/6/2018	2nd Nikko 100km Ultramarathon	100,00	×1
✓ 17	20/5/2018	24th Yatsugatake Nobeyama 100 km	100,00	×1
✓ 18	21/10/2017	8th Inagawa 100km Ultra-Marathon	100,00	×1
✓ 19	24/9/2017	20th Jonaizaka 100 km Ultra Marathon	100,00	×1
✓ 20	21/5/2017	23rd Yatsugatake Nobeyama 100 km	100,00	×1
✓ 21	9/10/2016	11th Echigo Kubikino 100km Ultramarathon	100,00	×1
✓ 22	18/9/2016	19th Jonaizaka 100 km Ultra Marathon	100,00	×1
✓ 23	12/6/2016	12th Iwate Ginga 100km Marathon Challenge	100,00	×1
✓ 24	22/5/2016	22nd Yatsugatake Nobeyama 100 km	100,00	×1
✓ 25	19/9/2015	18th Jonaizaka 100 km Ultra Marathon	100,00	×1
✓ 26	17/5/2015	21st Yatsugatake Nobeyama 100 km	100,00	×1
✓ 27	12/10/2014	10th Echigo Kubikino 100km Ultramarathon	100,00	×1
✓ 28	20/9/2014	17th Jonaizaka 100 km Ultra Marathon	100,00	×1
✓ 29	18/5/2014	20th Yatsugatake Nobeyama 100 km	100,00	×1
✓ 30	29/9/2013	16th Jonaizaka 100 km Ultra Marathon	100,00	×1
✓ 31	6/10/2012	9th Echigo Kubikino 100km Ultramarathon	100,00	×1
✓ 32	30/9/2012	15th Jonaizaka 100 km Ultra Marathon	100,00	×1
✓ 33	20/5/2012	18th Yatsugatake Nobeyama 100 km	100,00	×1
✓ 34	9/10/2010	8th Echigo Kubikino 100km Ultramarathon	100,00	×1
✓ 35	17/5/2009	15th Yatsugatake Nobeyama 100 km	100,00	×1
✓ 36	19/10/2008	14th River Shimanto 100km	100,00	×1
✓ 37	11/10/2008	7th Echigo Kubikino 100km Ultramarathon	100,00	×1
✓ 38	18/5/2008	14th Yatsugatake Nobeyama 100 km	100,00	×1
✓ 39	14/10/2007	13th River Shimanto 100km	100,00	×1
✓ 40	20/5/2007	13th Yatsugatake Nobeyama 100 km	100,00	×1
✓ 41	21/5/2006	12th Yatsugatake Nobeyama 100 km	100,00	×1
✓ 42	16/5/2004	10th Yatsugatake Nobeyama 100 km	100,00	×1
✓ 43	19/10/2003	9th River Shimanto 100km	100,00	×1
✓ 44	11/5/2003	9th Yatsugatake Nobeyama 100 km	100,00	×1
✓ 45	21/10/2001	8th River Shimanto 100km	100,00	×1
✓ 46	17/10/1999	6th River Shimanto 100km	100,00	×1
✓ 47	20/8/2017	5th World Cultural Heritage "Fuji" Foot Race	97,00	×1
✓ 48	21/8/2016	4th World Cultural Heritage "Fuji" Foot Race	97,00	×1
✓ 49	23/8/2015	3rd World Cultural Heritage "Fuji" Foot Race	97,00	×1
✓ 50	3/3/2012	2nd Little Edo 91km	91,00	×1
✓ 51	4/6/2023	30. Ultramarathon Okumusashi	78,00	×1
✓ 52	2/6/2019	26. Ultramarathon Okumusashi	78,00	×1
✓ 53	3/6/2018	25. Ultramarathon Okumusashi	78,00	×1
✓ 54	4/6/2017	24. Ultramarathon Okumusashi	78,00	×1
✓ 55	22/6/2015	22. Ultramarathon Okumusashi	77,00	×1
✓ 56	27/7/2014	21. Ultramarathon Okumusashi	77,00	×1
✓ 57	28/7/2013	20. Ultramarathon Okumusashi	77,00	×1
✓ 58	5/8/2012	19. Ultramarathon Okumusashi	77,00	×1
✓ 59	7/8/2011	18. Ultramarathon Okumusashi	77,00	×1
✓ 60	1/8/2010	17. Ultramarathon Okumusashi	77,00	×1
✓ 61	2/8/2009	16. Ultramarathon Okumusashi	75,00	×1
✓ 62	12/4/2025	20th Toda Saiko 70 km	71,00	×1
✓ 63	8/4/2023	18th Toda Saiko 70 km	71,00	×1
✓ 64	19/10/2025	32. Ultramarathon Okumusashi	70,00	—
✓ 65	10/4/2021	16th Toda Saiko 70 km	70,00	—
✓ 66	13/4/2019	14th Toda Saiko 70 km	70,00	—
✓ 67	14/4/2018	13th Toda Saiko 70 km	70,00	—
✓ 68	8/4/2017	12th Toda Saiko 70 km	70,00	—
69	19/11/2023	2. Minuma Challenge 60	64,00	—
70	20/11/2022	1. Minuma Challenge 60	63,00	—
71	14/11/2021	0. Minuma Challenge 60	63,00	—
72	6/12/2015	4th Coedo Kawagoe 6 Hours Run	63,00	—
73	26/1/2025	3. Minuma Challenge 60	62,00	—
74	11/4/2026	21st Toda Saiko 60 km	60,00	—
75	19/10/2019	10th Inagawa 100km Ultra-Marathon	51,40	—
76	30/9/2017	6th Coedo Kawagoe Running Fest 6-hours run	48,83	—